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Thymolphthalein IND Grade Reagent

Cas Number:125-20-2
Formula: C28H30O4
Molar Mass:430.54
EC Number:204-729-7

Quantity:
  • IND
  • LABOR
  • 404533122

Thymolphthalein IND Grade Reagent


Cas Number:125-20-2

Formula: C28H30O4

Molar Mass:430.54

EC Number:204-729-7


Properties:

White or microstrip yellow needle crystals. It is soluble in ethanol and acetone, insoluble in water. It is soluble in sulfuric acid  and then turns to red,in dilute alkali liquid then turns to blue. The melting point is about 253 ° C.


Usage:

Acid-base indicator, the pH is 9.3 (colorless) ~ 10.5 (blue). Testing blood reagents.


Packing:

500g/25kg





Item of Analysis

Standard

Melting point,

251.0~255.0

pH discoloration domain

9.3(Colorless)~10.5(Blue)

Solubility in ethanol

to pass test

Residue on ignition(as SO4),%

0.1 max


Not a hazardous substance or mixture.


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